import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

public class FileDemo10 {
    public static void main(String[] args) throws IOException {
        try(InputStream inputStream = new FileInputStream("test.txt")){
            while (true){
                int b = inputStream.read();
                if(b == -1){
                    break;
                }
                System.out.printf("%c",b);
            }
        }
    }
}
